I tried also turn on laptop on SMC bypass and all missing rails have a right voltage only PPVCORE_S0_AXG2_L & PPVCORE_S0_AXG1_L are not present.Īny ideas ? Is any chance that something else could cause this issue. I have thinking maybe CPU is not connected properly but I bit worried with next soldering attempt it will die as to many times heated up. There was no liquid damage on board with 3 beeps. Got it with 3 beeps issue have tired reflow ram replace PCH no luck I decide to replace CPU because it was getting crazy warm.Īfter replacement (I remove same CPU from Donner board) with was liquid damage but I was getting a display but it was too badly corroded to fix and many things doesn't work properly.Īfter CPU swap laptop is turning on with no beeps but there is no display no chime fan is spinning I measure board and no power on a main rails. I have this MacBook Pro for repair board 820-3332-A MacBook Pro (15-inch, 2019) Customers with eligible 2015 to 2019 machines that are experiencing keyboard issues can visit an Apple retail store or Apple Authorized Service Provider to receive.
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